40 virtual unsigned int h(
const unsigned int x,
const unsigned int y);
42 void FillUp(
float* t,
const float s,
const int n);
43 void FillDn(
float* t,
const float s,
const int n);
45 virtual void initEdgeTables(
const int x,
const int y,
const int n);
48 float getNoise(
const int i,
const int j);
49 void getNoise(
const int n,
const int i0,
const int j0,
float** cell);
50 void addNoise(
const int n,
const int i0,
const int j0,
const float scale,
float** cell);
55 float generate(
int x,
int y,
const int m0,
const int m1,
const int n,
float** cell);
The amortized 2D noise class.
Definition: InfiniteAmortizedNoise2D.h:27
virtual void initEdgeTables(const int x, const int y, const int n)
Initialize the amortized noise tables.
Definition: InfiniteAmortizedNoise2D.cpp:91
virtual unsigned int h(const unsigned int x, const unsigned int y)
2D hash function.
Definition: InfiniteAmortizedNoise2D.cpp:79
float * vby
Y coordinate of v used to compute b.
Definition: InfiniteAmortizedNoise2D.h:36
void addNoise(const int n, const int i0, const int j0, const float scale, float **cell)
Add 1 octave of amortized noise into cell.
Definition: InfiniteAmortizedNoise2D.cpp:156
CInfiniteAmortizedNoise2D(const unsigned n, const unsigned int s)
Constructor.
Definition: InfiniteAmortizedNoise2D.cpp:27
float * vbx
X coordinate of v used to compute b.
Definition: InfiniteAmortizedNoise2D.h:32
unsigned int seed
Hash seed.
Definition: InfiniteAmortizedNoise2D.h:38
void FillDn(float *t, const float s, const int n)
Fill amortized noise table top down.
Definition: InfiniteAmortizedNoise2D.cpp:66
float * spline
Spline table.
Definition: InfiniteAmortizedNoise2D.h:37
float * uay
Y coordinate of u used to compute a.
Definition: InfiniteAmortizedNoise2D.h:33
~CInfiniteAmortizedNoise2D()
Destructor.
Definition: InfiniteAmortizedNoise2D.cpp:38
float generate(int x, int y, const int m0, const int m1, const int n, float **cell)
Generate a cell of 2D amortized noise.
Definition: InfiniteAmortizedNoise2D.cpp:172
float * uax
X coordinate of u used to compute a.
Definition: InfiniteAmortizedNoise2D.h:29
void initSplineTable(const int n)
Initialize the spline table.
Definition: InfiniteAmortizedNoise2D.cpp:108
float * ubx
X coordinate of u used to compute b.
Definition: InfiniteAmortizedNoise2D.h:31
float * uby
Y coordinate of u used to compute b.
Definition: InfiniteAmortizedNoise2D.h:35
void FillUp(float *t, const float s, const int n)
Fill amortized noise table bottom up.
Definition: InfiniteAmortizedNoise2D.cpp:54
float * vax
X coordinate of v used to compute a.
Definition: InfiniteAmortizedNoise2D.h:30
float getNoise(const int i, const int j)
Get one point of amortized noise.
Definition: InfiniteAmortizedNoise2D.cpp:122
float * vay
Y coordinate of v used to compute a.
Definition: InfiniteAmortizedNoise2D.h:34